17.3.1. Experimental Setup

Try these first

1. 1.

   Define incompressible flow.

   Hint

   Think of scenarios where density does not change.

2. 2.

   What is the Mach number condition for flow to be considered incompressible?

   Hint

   Consider how speed relates to the speed of sound.

3. 3.

   What Mach number indicates that a flow can be considered incompressible?

   • < 0.1
   • < 0.3
   • < 1.0
   • < 2.0

   Hint

   Remember the threshold for compressibility.

4. 4.

   True or False: Incompressible flow means the flow's density can change significantly.

   • True
   • False

   Hint

   Think about the definition of incompressibility.

5. 5.

   A tank with a diameter of 2 m is being filled with water at a rate of 0.1 m³/s. Calculate how high the water level rises in the tank after 10 seconds.

   Hint

   Remember how to convert the volume into height using the tank's area.

6. 6.

   For a 0.5 m channel width carrying water at an average velocity of 2 m/s, calculate the flow rate. If the width increases to 1 m, what will the new flow rate be if the velocity remains the same?

   Hint

   Flow rate changes linearly with the area and velocity.